Cheapest return flights from Washington to San Juan in May from 290€

AirHint found the following cheapest return flights from Washington (DCA) to San Juan (SJU) in May 2026 (see full year).

Return flights

05 May - 08 May jetBlue direct
02 May - 09 May Southwest Airlines
01 May - 09 May Southwest Airlines
04 May - 08 May Southwest Airlines
08 May - 12 May Southwest Airlines
19 May - 23 May Southwest Airlines
10 May - 15 May Southwest Airlines
03 May - 06 May Southwest Airlines
16 May - 20 May Southwest Airlines
14 May - 16 May Southwest Airlines
30 May - 04 Jun Southwest Airlines
30 May - 07 Jun Southwest Airlines
30 May - 12 Jun Southwest Airlines
29 May - 04 Jun Southwest Airlines
30 May - 03 Jun Southwest Airlines
30 May - 01 Jun Southwest Airlines
28 May - 01 Jun Southwest Airlines
28 May - 02 Jun Southwest Airlines
20 May - 01 Jun Southwest Airlines
27 May - 01 Jun Southwest Airlines

Also check the deals for one-way flights from Washington to San Juan in May.

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